Northwalldocker, I have built one of the Nonneminstre kits, just take your time and low melt solder to assemble it. There are no registration marks or lugs to help keep it square just bevelled corners! Mine is 16.5 gauge, runs on a tenshodo spud , kadee couplings are tricky to fit. Digitrains do a sound file that is appropriate the gear changing is rather good! enjoy!